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Annotation of researchv10no/cmd/ap/apkeys/dlex.l, revision 1.1

1.1     ! root        1: %%
        !             2: [-'A-Za-z0-9#]+        {lcase(yytext);yylval=svc(sufstr(yytext)); return(WORD);}
        !             3: "!"    return(NEG);
        !             4: ","    return(COMMA);
        !             5: "."    return(DOT);
        !             6: "*H"   return(HEAD);
        !             7: "*P"   return(PARA);
        !             8: "*S"   return(STORY);
        !             9: ">".*  {yylval=svc(yytext); return(WRITE);}
        !            10: ">>".* {yylval=svc(yytext); return(APPEND);}
        !            11: "|".*  {yylval=svc(yytext); return(PIPE);}
        !            12: \n     return(NL);
        !            13: .      ;
        !            14: %%
        !            15: yyerror(s)
        !            16: {
        !            17: extern char *infile;
        !            18: fprintf(stderr, "%s\n", s);
        !            19: fprintf(stderr, "Bad input spec file %s line %d\n", infile, yylineno);
        !            20: }
        !            21: yywrap()
        !            22: {
        !            23: return(1); /* always stop on eof */
        !            24: }
        !            25: char *
        !            26: svc(s)
        !            27:        char *s;
        !            28: {
        !            29: char *p, *calloc();
        !            30: p = calloc(strlen(s)+1,1);
        !            31: assert(p!=0);
        !            32: strcpy(p,s);
        !            33: return(p);
        !            34: }
        !            35: lcase(s)
        !            36:        register char *s;
        !            37: {
        !            38: register int c;
        !            39: register char *p;
        !            40: if (*s==0) return;
        !            41: for(p=s+1; c= *p; p++)
        !            42:        if (isupper(c))
        !            43:                return;
        !            44: if (isupper( c = *s))
        !            45:        *s = tolower(c);
        !            46: }

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